fix: respond to interrupted tool calls with a ToolResponseMessageContent (#1557)

ui/desktop/src/components/ChatView.tsx

@@ -15,7 +15,16 @@ import { askAi } from '../utils/askAI';
 import Splash from './Splash';
 import 'react-toastify/dist/ReactToastify.css';
 import { useMessageStream } from '../hooks/useMessageStream';
-import { Message, createUserMessage, getTextContent } from '../types/message';
+import {
+  Message,
+  createUserMessage,
+  ToolCall,
+  ToolCallResult,
+  ToolRequestMessageContent,
+  ToolResponseMessageContent,
+  ToolConfirmationRequestMessageContent,
+  getTextContent,
+} from '../types/message';
 
 export interface ChatType {
   id: number;
@@ -182,16 +191,70 @@ export default function ChatView({
 
     // Handle stopping the message stream
     const lastMessage = messages[messages.length - 1];
-    if (lastMessage && lastMessage.role === 'user') {
+
+    // isUserMessage also checks if the message is a toolConfirmationRequest
+    if (lastMessage && isUserMessage(lastMessage)) {
       // Remove the last user message if it's the most recent one
       if (messages.length > 1) {
         setMessages(messages.slice(0, -1));
       } else {
         setMessages([]);
       }
+    } else if (!isUserMessage(lastMessage)) {
+      // check if we have any tool requests or tool confirmation requests
+      const toolRequests: [string, ToolCallResult<ToolCall>][] = lastMessage.content
+        .filter(
+          (content): content is ToolRequestMessageContent | ToolConfirmationRequestMessageContent =>
+            content.type === 'toolRequest' || content.type === 'toolConfirmationRequest'
+        )
+        .map((content) => {
+          if (content.type === 'toolRequest') {
+            return [content.id, content.toolCall];
+          } else {
+            // extract tool call from confirmation
+            const toolCall: ToolCallResult<ToolCall> = {
+              status: 'success',
+              value: {
+                name: content.toolName,
+                arguments: content.arguments,
+              },
+            };
+            return [content.id, toolCall];
+          }
+        });
+
+      if (toolRequests.length !== 0) {
+        // This means we were interrupted during a tool request
+        // Create tool responses for all interrupted tool requests
+
+        let responseMessage: Message = {
+          role: 'user',
+          created: Date.now(),
+          content: [],
+        };
+
+        // get the last tool's name or just "tool"
+        const lastToolName = toolRequests.at(-1)?.[1].value?.name ?? 'tool';
+        const notification = 'Interrupted by the user to make a correction';
+
+        // generate a response saying it was interrupted for each tool request
+        for (const [reqId, _] of toolRequests) {
+          const toolResponse: ToolResponseMessageContent = {
+            type: 'toolResponse',
+            id: reqId,
+            toolResult: {
+              status: 'error',
+              error: notification,
+            },
+          };
+
+          responseMessage.content.push(toolResponse);
+        }
+
+        // Use an immutable update to add the response message to the messages array
+        setMessages([...messages, responseMessage]);
+      }
     }
-    // Note: Tool call interruption handling would need to be implemented
-    // differently with the new message format
   };
 
   // Filter out standalone tool response messages for rendering